You want to start including the Declaration of Independence as citable law now?
Two (of many) cases where it has been cited as fundamental law...
Since I have mentioned it before (and since you wanted where the court cited the DOI in this case foss..) - from the Dred Scott case - Chief Justice Taney's opinion ( the opinion of the court)
"In the opinion of the court, the legislation and histories of the times, and the language used in the Declaration of Independence, show, that neither the class of persons who had been imported as slaves, nor their descendants, whether they had become free or not, were then acknowledged as a part of the people, nor intended to be included in the general words used in that memorable instrument.
The language of the Declaration of Independence is equally conclusive: ‘We hold these truths to be self-evident: that all men are created equal; that they are endowed by their Creator with certain unalienable rights; that among them is life, liberty, and the pursuit of happiness; that to secure these rights, Governments are instituted, deriving their just powers from the consent of the governed.’
The general words above quoted would seem to embrace the whole human family, and if they were used in a similar instrument at this day would be so understood. But it is too clear for dispute, that the enslaved African race were not intended to be included, and formed no part of the people who framed and adopted this declaration; for if the language, as understood in that day, would embrace them, the conduct of the distinguished men who framed the Declaration of Independence would have been utterly and flagrantly inconsistent with the principles they asserted; and instead of the sympathy of mankind, to which they so confidently appealed, they would have deserved and received universal rebuke and reprobation."
Recently the DOI was cited in the Nancy Cruzan case to argue if the persistence of her body should be considered 'life' as it is used in the Declaration of Independence.
And shag - there isn't any legislative law within the DOI - it is organic law. I have stated that before - but you can cite it... as shown above.
Now, shag - why don't you enlighten us, what exactly does Eidsmoe's statement mean, oh, that's right - you can't... just like you can't succinctly state your philosophy regarding unfettered capitalism...